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Default AAA/AA NiMh battery capacity meter - has anyone seen such a thing?

I have lots of AAA and AA NiMh batteries which have been through quite
a lot of discharge/recharge cycles. I have a tester which tells me if
they're charged or not but I'd really like to check their actual
capacity. Some of the AAA ones at least have very little capacity now
but it's difficult to check.

I could rig up a simple resistor discharge with some sort of computer
monitoring via an AtoD interface but surely someone out there must
produce and sell such a thing for not very much.

Has anyone come across anything like this?

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Chris Green
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